Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
55793917No factors below 274
P-1
B1=665 000
B2=18 121 250
LL
StatusDateUserResidueShift
Verified2013-07-30Stephan Grupp88D3DDA41363891F20623223
Verified2021-04-12Will Kurach88D3DDA41363891F17752985
Verified2021-05-11gcardona88D3DDA41363891F4080355
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-04-05-Anonymous-LL double-check0.0 % 2020-04-052020-05-15
2020-01-26-Anonymous-LL double-checkLL0.1 % 2020-01-262020-03-06
2019-11-04-Anonymous-LL double-check0.0 % 2019-11-042019-12-14
2019-08-26-Anonymous-LL double-check0.0 % 2019-08-262019-10-05
2019-06-16-Anonymous-LL double-check0.0 % 2019-06-162019-07-26
2019-04-07-Anonymous-LL double-check0.0 % 2019-04-072019-05-17
2018-12-30-Anonymous-LL double-check0.0 % 2018-12-302019-02-08
History
DateUserTypeResult
2021-05-11gcardonaC-LL88D3DDA41363891F
2021-04-12Will KurachC-LL88D3DDA41363891F
2019-04-06ChuckNFno factor from 2^73 to 2^74
2016-02-19-Anonymous-NFno factor from 2^72 to 2^73
2013-07-30Stephan GruppC-LL88D3DDA41363891F
2012-06-18Jerry HallettNFno factor from 2^71 to 2^72
2011-10-21XyzzyNFno factor from 2^70 to 2^71
2011-10-21XyzzyNFno factor from 2^69 to 2^70
2011-10-21XyzzyNFno factor from 2^68 to 2^69
2011-05-10TheJudgerNF-PM1B1=665000, B2=18121250
2009-11-24subgeniusNFno factor from 2^67 to 2^68
2009-11-21subgeniusNFno factor from 2^66 to 2^67
2009-11-18subgeniusNFno factor from 2^65 to 2^66
2009-11-15Sturle SundeNFno factor from 2^64 to 2^65
2008-10-271997rj7NFno factor to 2^64
2002-08-17-Anonymous-NFno factor to 2^58
2001-09-30-Anonymous-NFno factor to 2^57
2000-06-11-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-15-Anonymous-NFno factor to 2^53